ATE329712T1 - TOOL HEAD AND METHOD FOR MACHINING AN OUTLINE - Google Patents

TOOL HEAD AND METHOD FOR MACHINING AN OUTLINE

Info

Publication number
ATE329712T1
ATE329712T1 AT01926711T AT01926711T ATE329712T1 AT E329712 T1 ATE329712 T1 AT E329712T1 AT 01926711 T AT01926711 T AT 01926711T AT 01926711 T AT01926711 T AT 01926711T AT E329712 T1 ATE329712 T1 AT E329712T1
Authority
AT
Austria
Prior art keywords
carriage
arbor
machining
spindle
assembly
Prior art date
Application number
AT01926711T
Other languages
German (de)
Inventor
Brice Harmand
Pierre Harmand
Original Assignee
Harmand Family Ltd Partnership
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harmand Family Ltd Partnership filed Critical Harmand Family Ltd Partnership
Application granted granted Critical
Publication of ATE329712T1 publication Critical patent/ATE329712T1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • B23C3/02—Milling surfaces of revolution
    • B23C3/05—Finishing valves or valve seats
    • B23C3/051—Reconditioning of valve seats
    • B23C3/053—Reconditioning of valve seats having means for guiding the tool carrying spindle
    • B23C3/055—Reconditioning of valve seats having means for guiding the tool carrying spindle for engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B1/00—Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements
    • F01B1/12—Separate cylinder-crankcase elements coupled together to form a unit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0021—Construction
    • F02F7/0031—Construction kit principle (modular engines)

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Drilling And Boring (AREA)
  • Machine Tool Units (AREA)
  • Laser Beam Processing (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Numerical Control (AREA)

Abstract

The machining head (400) for machining valve seats comprises a driving system, a housing (402), a carriage feed assembly, a cutting tip (455) mounted on the carriage (436), and a counterweight (440) assembly. The driving system rotates a machining head on a spindle axis, and further provides independent vertical translation of each of a driving arbor and a spindle, both of which are independent of the rotation of the spindle. The carriage has both forward and backward feed capability for moving the cutting tip radially inward or outward as it cuts. Vertical movement of the arbor is converted into force for moving the carriage by a cantilever (414) pivoting around a fixed point (416). The counterweight assembly, linked to the arbor by a second cantilever (420), counterbalances the shift in weight caused by the movement of the carriage in order to maintain dynamic balancing as the machining head rotates.
AT01926711T 2000-04-07 2001-04-06 TOOL HEAD AND METHOD FOR MACHINING AN OUTLINE ATE329712T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US19567100P 2000-04-07 2000-04-07
US23962000P 2000-10-11 2000-10-11

Publications (1)

Publication Number Publication Date
ATE329712T1 true ATE329712T1 (en) 2006-07-15

Family

ID=26891210

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01926711T ATE329712T1 (en) 2000-04-07 2001-04-06 TOOL HEAD AND METHOD FOR MACHINING AN OUTLINE

Country Status (5)

Country Link
EP (1) EP1328367B1 (en)
AT (1) ATE329712T1 (en)
AU (1) AU2001253228A1 (en)
DE (1) DE60120731T2 (en)
WO (1) WO2001076795A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109702250B (en) * 2018-12-26 2023-09-15 承德石油高等专科学校 Automatic dumbbell type sampling machine
DE102019123119B3 (en) * 2019-08-28 2020-12-24 dbm mobile feinstbearbeitung GmbH Mobile device for machining a workpiece

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2383738A1 (en) * 1977-03-15 1978-10-13 Renault MULTI-OPERATION BORING TOOL HOLDER
US5044841A (en) * 1990-07-20 1991-09-03 Litton Industrial Automation Systems, Inc. Valve seat bushing machining apparatus
WO1996002346A1 (en) * 1994-07-20 1996-02-01 Komet Präzisionswerkzeuge Robert Breuning Gmbh Tool head with axially adjustable chuck
US6086293A (en) * 1998-04-13 2000-07-11 Harmand Family Limited Partnership Cutting tool for machining valve seats

Also Published As

Publication number Publication date
AU2001253228A1 (en) 2001-10-23
EP1328367A1 (en) 2003-07-23
WO2001076795A1 (en) 2001-10-18
EP1328367B1 (en) 2006-06-14
DE60120731D1 (en) 2006-07-27
DE60120731T2 (en) 2007-05-31

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Legal Events

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